Description
Maxton Design Street Pro Rear Diffuser for Toyota GR Yaris Mk4 – Black/Red
Give your GR Yaris a sharper, motorsport-inspired rear end while improving airflow under the car. The Street Pro diffuser helps manage turbulence to reduce lift and add stability at speed, with a bold black outer and red core finish that suits the GRs aggressive look.
Designed for the Toyota GR Yaris Mk4 (2020-), it follows the rear bumper lines for a clean, factory-like fit. Please use the vehicle lookup on our site or check the Vehicle Fitment tab to confirm compatibility.
This diffuser is made from 10 mm thick ABS plastic. It is tough, impact and scratch resistant, and built to handle daily weather. A UV-protective coating helps prevent fading. The part arrives vacuum sealed with a protective film to keep the surface safe until installation.
The Black/Red version features a matte black body with a red core highlight. No painting is required. If you choose to paint it, use primer first.
Each kit includes the Maxton rear diffuser and a mounting kit. We recommend professional fitting for the best alignment and secure installation.
Parts carry authenticity labels to confirm genuine Maxton quality. This product has TUV MATERIALGUTACHTEN certification for the material used.
Note: Always ensure adequate ground clearance after installation and check all fasteners periodically.





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